One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,7)(9,10)(11,15)(12,14)(13,16)(17,18)(19,26)(20,30)(21,24)(22,25)(23,28)(27,32)(29,31) involution — undirected(1,2)(3,6)(4,5)(7,8)(9,11)(10,13)(12,16)(14,15)(17,19)(18,23)(20,29)(21,28)(22,27)(24,26)(25,31)(30,32) involution — undirected(10,14)(13,15)(19,27)(20,22)(23,31)(25,30)(26,32)(28,29) involution — undirected(1,3,4,7)(2,6,5,8)(10,14)(13,15)(18,24)(23,26)(25,30)(31,32)(2,5)(6,8)(11,16)(13,15)(17,20)(18,25)(19,28)(21,22)(24,30)(31,32) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.